dt-bindings: dma: Convert Qualcomm BAM DMA binding to json format

Convert Qualcomm BAM DMA controller binding to DT schema format using
json schema.

Signed-off-by: Kuldeep Singh <singh.kuldeep87k@gmail.com>
[robh: add back SoC mapping to compatible strings]
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220417210436.6203-7-singh.kuldeep87k@gmail.com